a mysterious white wall made of unknown material is found deep underground at the mining site of the world's largest nuclear waste depository, movie poster with mysterious feeling, beautiful detail, cinematic mood, art by john collier and albert aublet and krenz cushart and artem demura and alphonse mucha, volumetric lighting, octane render, 4 k resolution, matte, sharp focus, illustration, art by jacque - louis david, baroque style 